CablesOnline 25ft RG-8/U Mini Coax UHF PL-259 Male/Male Grey Antenna Cable, (R-U8025) High Quality RG-8/U Mini Coax antenna cable ; Velocity of propagation 82% (2) PL-259 male plugs ; 50ohm Low-loss RG8/U Mini ; Low-loss 50ohm impediance Great as jumpers to an antenna tuner, switch, meter or your main antenna 98% braided copper shielding ; 16 (19X29) stranded copper center conductor w/ foam dielectric 50ohm Low-loss RG8/U Mini ; Outer diameter of 6.14mm ; Length: 25ft